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Avenc de Coma Oriola

Avenc de Coma Oriola

A 10 m deep pit at Coma Oriola, La Masella, Cerdanya, explored and catalogued on 16 July 2015 by members of the grup de l'espeleodijous.

Urús • Cerdanya 12m 10m

A 10 m deep pit at Coma Oriola, La Masella, Cerdanya, explored and catalogued on 16 July 2015 by members of the grup de l'espeleodijous.

Characteristics

Location

From La Masella (Alp) one must take the road that climbs to the refugi de la Pleta de Das and continue on until the point where it crosses the llera de Coma Oriola (ski lift at the Costa Pelada). From here one must go up the valley for some 800 metres and a drop of a little more than 100, until finding on the right (left hydrographic slope) a craggy relief bounded by scree on its eastern slope, which must be surmounted, and where all the cavities are located.

The Avenc de Coma Oriola is found at the upper part of a grassy ramp at the foot of one of the cliffs in the central zone of the aforementioned reliefs.

Map

Entrances

Always verify coordinates and access conditions before setting out.

  1. Coma Oriola, Avenc de

    Elevation: 2235 m

    42.328095, 1.886157
    UTM 31T (ETRS89) 408229 4686806
Download all entrances as GPX

Photos

Avenc de Coma Oriola - Photo, Urús, CerdanyaView image
Click to enlarge

Espeleoindex · CC BY-NC 4.0, https://creativecommons.org/licenses/by-nc/4.0/ · Image © its author.

Image 1 of 3

Description

Morphology

Formed by a single pit of 10 metres of drop which, at its lower end, has communicated at different points with the exterior, with stretches of the separating partition being preserved.

Other details

All the caves and cracks located in the zone are residual cavities, probably vestiges of other climatic circumstances. It is undeniable that the valley bears the imprint of a glacial past, and even today the function of ice widening the fracturing structure is responsible for small cavities and for the great extent of these fragmentation screes.

The original physiognomy of the Coma Oriola (according to the ICGC: Comaoriola), has been profoundly altered by the imprint of the ski station, since a track runs through this valley.

In summer and therefore out of season, the excavators, concrete mixers, etc. have extraordinarily transformed the bed of the basin, widening it and modifying its margins, causing original vegetation and soils to disappear, burying channels...

History

Although some of the cavities had certainly been observed by skiers and mountaineers who pass through the zone, they had never been the objective of speleologists until on 16 July 2015, members of the grup de l'espeleodijous proceeded to the exploration, study and cataloguing of a good number of cavities in the zone.

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Bibliography

  • Totes les dades, topografies i fotografies han estat extretes del blog: espeleobloc.blogspot (Apunts dels dies 30 i 31-7-2015). Les coordenades han estat facilitades pel mateix equip de l'Espeleodijous.

Source: Espeleoindex (espeleoindex.com), modified. CC BY-NC 4.0, https://creativecommons.org/licenses/by-nc/4.0/